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Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

Green Car Congress

As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. This new proprietary combustion engine combines the advantages of gasoline and diesel engines to optimize environmental performance, power and acceleration performance.

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UCLA researchers find potential link between traffic pollution and some rare childhood cancers

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Scientists from UCLA’s Fielding School of Public Health have found a possible link between exposure to traffic-related air pollution and several rare childhood cancers. Pollution exposure was estimated for the area around each child’s home for each trimester of their mother’s pregnancy and during their first year of life.

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Final California deadline for upgrading heavy-duty diesels to MY2010 or newer engines

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California’s Truck and Bus regulation ( earlier post ) has been in effect since December 2008, with the purpose of reducing emissions of diesel particulate matter (PM), oxides of nitrogen (NO x ) and other criteria pollutants from in-use diesel-fueled vehicles. Public agency and utility vehicles (not federal).

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Mayor of London expanding Ultra Low Emission Zone London-wide; new £110M scrappage scheme

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Vehicles must meet strict emission standards to drive in the ULEZ area: Euro 4 for gasoline cars and vans (widely available since 2006). Euro 3 for motorcycles and mopeds (widely available since 2007). The ULEZ has already helped to reduce roadside pollution levels by 44% in central London and 20% in inner London. daily charge.

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EPA report shows progress in reducing urban air toxics across US; 50% reduction from mobile sources since 1990

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The US Environmental Protection Agency (EPA) released the Second Integrated Urban Air Toxics Report to Congress—the final of two reports required under the Clean Air Act (CAA) to inform Congress of progress in reducing public health risks from urban air toxics (also referred to as hazardous air pollutants or HAPs).

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NASA satellite images highlight US air quality improvement with reduction of NO2

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New NASA satellite images released this week demonstrate the reduction of air pollution across the US. Nitrogen dioxide is one of the six common pollutants regulated by the US Environmental Protection Agency (EPA) to protect human health. It’s also a good proxy for the presence of air pollution in general.

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EPA Issues Advance Notice of Proposed Rulemaking on Lead Emissions from Leaded Aviation Gasoline, Seeks Public Comment

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EPA has issued an Advance Notice of Proposed Rulemaking (ANPR) on lead emissions from piston-engine aircraft using leaded aviation gasoline (avgas). Aviation gasoline is utilized in general aviation aircraft with piston engines—which are generally used for instructional flying, air taxi activities, and personal transportation.

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